HIERHOLZER SEEWALD RETZLOFF SA4

Oil · District 1 · Lease #21182

Operator: MARATHON OIL EF LLC

Cum Oil

256k BBL

Cum Gas

0 MCF

Wells

1

Production

2023-08 — 2026-03

Peak Month

2024-03

Production History

Cum Oil: 255,965 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

20,771 BBL/mo

Di (annual)

90.5%

b-factor

0.1

EUR

305,940 BBL

R-squared

0.731

type

hyperbolic

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL EF LLC218,0002023-06-30
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